398675 has 12 divisors (see below), whose sum is σ = 508896. Its totient is φ = 309600.

The previous prime is 398669. The next prime is 398681. The reversal of 398675 is 576893.

It is an interprime number because it is at equal distance from previous prime (398669) and next prime (398681).

It is not a de Polignac number, because 398675 - 2⁶ = 398611 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 710 + ... + 1140.

It is an arithmetic number, because the mean of its divisors is an integer number (42408).

2³⁹⁸⁶⁷⁵ is an apocalyptic number.

398675 is a deficient number, since it is larger than the sum of its proper divisors (110221).

398675 is a wasteful number, since it uses less digits than its factorization.

398675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478 (or 473 counting only the distinct ones).

The product of its digits is 45360, while the sum is 38.

The square root of 398675 is about 631.4071586544. The cubic root of 398675 is about 73.5991842813.

The spelling of 398675 in words is "three hundred ninety-eight thousand, six hundred seventy-five".